Earn 2.4% APR in ZK Rewards: MetaMask, Linea & Brevis Supercharge Aave USDC Yields
DeFi just got a zero-knowledge upgrade. MetaMask, Linea, and Brevis are teaming up to turbocharge Aave's USDC yields—now delivering 2.4% APR in ZK-powered rewards.
How it works: The trio leverages zk-proofs to verify on-chain activity without exposing wallet details. Translation? Higher yields with lower compliance headaches—because nothing says 'progress' like hiding your transactions from prying eyes.
The catch: That 2.4% won't make you retire early (thanks, inflation), but it beats parking cash at your neighborhood bank—where they still process deposits with fax machines.

- MetaMask, Linea, and Brevis introduce a blockchain-verified rewards program.
- Eligible users earn 2.4% fixed APR on USDC lending or borrowing via Aave’s Linea market.
- Rewards are automatic, transparent, and require no extra participation steps.
MetaMask, Linea, and Brevis have teamed up to launch a rewards program designed to make earning in decentralized finance simple and transparent. Starting August 13 at 9:00 a.m. EST, MetaMask Card holders who have completed at least one transaction can earn a fixed 2.4% APR by lending or borrowing USDC on Aave’s Linea market.
@MetaMask Card just got a ZK Turbocharge — powered by Brevis.
Boost your USDC lending or borrowing on @Aave @LineaBuild with an additional 2.4% APR yield.
Every reward is ZK verified on-chain: transparent, secure and trustless.
We changed the on-chain incentive gamepic.twitter.com/1xcxJ0CG6D
The program runs entirely on-chain through Incentra, a platform powered by Brevis’s zero-knowledge proof technology. Users do not need to sign up, add extra liquidity, or complete extra steps. Once eligible, rewards are automatically calculated in four-hour cycles and can be claimed directly through Incentra. Positions up to a combined total of 5,000 USDC qualify.
A Push for Open and Verifiable Incentives
MetaMask and Linea have established their brands around promoting privacy, control for users, and Web3 transparency. Many of the reward systems in crypto have not had those virtues, depending on central tracking, ambiguous terms, or complex onboarding criteria.
This partnership eliminates those hurdles. All reward computations are posted straight on-chain, so everybody can confirm payments. Users won’t need to change positions or execute secret actions. Rather, the campaign engages with what they already possess. It’s a simple model that looks to establish a new standard across the industry for verifiable rewards.
How the Technology Works
Brevis’s zero-knowledge proof system ensures that rewards are both accurate and secure. Every four hours, it measures the time-weighted average balance of each eligible user’s lending and borrowing positions in Aave’s USDC market on Linea.
A proof is then generated to confirm three things: the user meets the eligibility rules, they had an active qualifying position during the cycle, and the reward amount matches data from Aave’s on-chain records. Incentra’s smart contract on Linea verifies these proofs without relying on any centralized service, ensuring the process remains trustless from start to finish.
MetaMask Users Can Claim Brevis Rewards
By teaming up with MetaMask and Linea, Brevis makes a significant step towards demonstrating that its infrastructure can scale with big Web3 players. The approach can be scaled out to support multiple chains and protocols, allowing individuals to be rewarded from multiple markets transparently and with proof of reward.
This campaign offers more than just a yield boost; it presents a blueprint for a new way of running rewards in decentralized finance. For MetaMask Card users, the path to earning starts with simply lending or borrowing USDC on Aave’s Linea market. Rewards are live and ready to claim through Incentra.